Question

X equals 6y equals 1 y equals x plus

Answer 1

-5

From the table , when x = 1 and y = -4 then

-4 = 1 + ?

? = -4 - 1

? = -5

when x = 2 and y = -3

-3 = 2 + ?

-3 -2 = ?

? = -5

Hence the unknown value is -5